Meteorite chunk contains unexpected evidence of presolar grains
Wednesday, January 29, 2020 - 13:50
in Astronomy & Space
An unusual chunk in a meteorite may contain a surprising bit of space history. Presolar grains -- tiny bits of solid interstellar material formed before the sun was born -- are sometimes found in primitive meteorites. But a new analysis reveals evidence of presolar grains in part of a meteorite where they are not expected to be found.